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示例:
如果在模拟器中运行就定义宏不编译rdp功能模块到app中,如果真机运行就编译rdp功能模块到app中。
- #if TARGET_IPHONE_SIMULATOR
- #define WITH_FREE_RDP NOT_BUILD_IN // 模拟器不支持RDP
- #elif TARGET_OS_IPHONE
- #define WITH_FREE_RDP BUILD_IN // 支持RDP
- #endif
更多更详细的信息参看TargetConditionals.h
- /*
- * Copyright (c) 2000-2008 by Apple Inc.. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /*
- File: TargetConditionals.h
- Contains: Autoconfiguration of TARGET_ conditionals for Mac OS X and iPhone
- Note: TargetConditionals.h in 3.4 Universal Interfaces works
- with all compilers. This header only recognizes compilers
- known to run on Mac OS X.
- */
- #ifndef __TARGETCONDITIONALS__
- #define __TARGETCONDITIONALS__
- /****************************************************************************************************
- TARGET_CPU_*
- These conditionals specify which microprocessor instruction set is being
- generated. At most one of these is true, the rest are false.
- TARGET_CPU_PPC - Compiler is generating PowerPC instructions for 32-bit mode
- TARGET_CPU_PPC64 - Compiler is generating PowerPC instructions for 64-bit mode
- TARGET_CPU_68K - Compiler is generating 680x0 instructions
- TARGET_CPU_X86 - Compiler is generating x86 instructions
- TARGET_CPU_ARM - Compiler is generating ARM instructions
- TARGET_CPU_MIPS - Compiler is generating MIPS instructions
- TARGET_CPU_SPARC - Compiler is generating Sparc instructions
- TARGET_CPU_ALPHA - Compiler is generating Dec Alpha instructions
- TARGET_OS_*
- These conditionals specify in which Operating System the generated code will
- run. The MAC/WIN32/UNIX conditionals are mutually exclusive. The EMBEDDED/IPHONE
- conditionals are variants of TARGET_OS_MAC.
- TARGET_OS_MAC - Generate code will run under Mac OS
- TARGET_OS_WIN32 - Generate code will run under 32-bit Windows
- TARGET_OS_UNIX - Generate code will run under some non Mac OS X unix
- TARGET_OS_EMBEDDED - Generate code will run under an embedded OS variant
- of TARGET_OS_MAC
- TARGET_OS_IPHONE - Generate code will run under iPhone OS which
- is a variant of TARGET_OS_MAC.
- TARGET_RT_*
- These conditionals specify in which runtime the generated code will
- run. This is needed when the OS and CPU support more than one runtime
- (e.g. Mac OS X supports CFM and mach-o).
- TARGET_RT_LITTLE_ENDIAN - Generated code uses little endian format for integers
- TARGET_RT_BIG_ENDIAN - Generated code uses big endian format for integers
- TARGET_RT_64_BIT - Generated code uses 64-bit pointers
- TARGET_RT_MAC_CFM - TARGET_OS_MAC is true and CFM68K or PowerPC CFM (TVectors) are used
- TARGET_RT_MAC_MACHO - TARGET_OS_MAC is true and Mach-O/dlyd runtime is used
- TARGET_IPHONE_SIMULATOR - Generate code for running under iPhone Simulator
- ****************************************************************************************************/
- /*
- * gcc based compiler used on Mac OS X
- */
- #if defined(__GNUC__) && ( defined(__APPLE_CPP__) || defined(__APPLE_CC__) || defined(__MACOS_CLASSIC__) )
- #define TARGET_OS_MAC 1
- #define TARGET_OS_WIN32 0
- #define TARGET_OS_UNIX 0
- #define TARGET_OS_EMBEDDED 0
- #define TARGET_OS_IPHONE 1
- #define TARGET_IPHONE_SIMULATOR 1
- #if defined(__ppc__)
- #define TARGET_CPU_PPC 1
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_X86_64 0
- #define TARGET_CPU_ARM 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #define TARGET_RT_LITTLE_ENDIAN 0
- #define TARGET_RT_BIG_ENDIAN 1
- #define TARGET_RT_64_BIT 0
- #ifdef __MACOS_CLASSIC__
- #define TARGET_RT_MAC_CFM 1
- #define TARGET_RT_MAC_MACHO 0
- #else
- #define TARGET_RT_MAC_CFM 0
- #define TARGET_RT_MAC_MACHO 1
- #endif
- #elif defined(__ppc64__)
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_PPC64 1
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_X86_64 0
- #define TARGET_CPU_ARM 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #define TARGET_RT_LITTLE_ENDIAN 0
- #define TARGET_RT_BIG_ENDIAN 1
- #define TARGET_RT_64_BIT 1
- #define TARGET_RT_MAC_CFM 0
- #define TARGET_RT_MAC_MACHO 1
- #elif defined(__i386__)
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 1
- #define TARGET_CPU_X86_64 0
- #define TARGET_CPU_ARM 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #define TARGET_RT_MAC_CFM 0
- #define TARGET_RT_MAC_MACHO 1
- #define TARGET_RT_LITTLE_ENDIAN 1
- #define TARGET_RT_BIG_ENDIAN 0
- #define TARGET_RT_64_BIT 0
- #elif defined(__x86_64__)
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_X86_64 1
- #define TARGET_CPU_ARM 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #define TARGET_RT_MAC_CFM 0
- #define TARGET_RT_MAC_MACHO 1
- #define TARGET_RT_LITTLE_ENDIAN 1
- #define TARGET_RT_BIG_ENDIAN 0
- #define TARGET_RT_64_BIT 1
- #elif defined(__arm__)
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_X86_64 0
- #define TARGET_CPU_ARM 1
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #define TARGET_RT_MAC_CFM 0
- #define TARGET_RT_MAC_MACHO 1
- #define TARGET_RT_LITTLE_ENDIAN 1
- #define TARGET_RT_BIG_ENDIAN 0
- #define TARGET_RT_64_BIT 0
- #else
- #error unrecognized GNU C compiler
- #endif
- /*
- * CodeWarrior compiler from Metrowerks/Motorola
- */
- #elif defined(__MWERKS__)
- #define TARGET_OS_MAC 1
- #define TARGET_OS_WIN32 0
- #define TARGET_OS_UNIX 0
- #define TARGET_OS_EMBEDDED 0
- #if defined(__POWERPC__)
- #define TARGET_CPU_PPC 1
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #define TARGET_RT_LITTLE_ENDIAN 0
- #define TARGET_RT_BIG_ENDIAN 1
- #elif defined(__INTEL__)
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 1
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #define TARGET_RT_LITTLE_ENDIAN 1
- #define TARGET_RT_BIG_ENDIAN 0
- #else
- #error unknown Metrowerks CPU type
- #endif
- #define TARGET_RT_64_BIT 0
- #ifdef __MACH__
- #define TARGET_RT_MAC_CFM 0
- #define TARGET_RT_MAC_MACHO 1
- #else
- #define TARGET_RT_MAC_CFM 1
- #define TARGET_RT_MAC_MACHO 0
- #endif
- /*
- * unknown compiler
- */
- #else
- #if defined(TARGET_CPU_PPC) && TARGET_CPU_PPC
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_X86_64 0
- #define TARGET_CPU_ARM 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #elif defined(TARGET_CPU_PPC64) && TARGET_CPU_PPC64
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_X86_64 0
- #define TARGET_CPU_ARM 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #elif defined(TARGET_CPU_X86) && TARGET_CPU_X86
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_X86_64 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_ARM 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #elif defined(TARGET_CPU_X86_64) && TARGET_CPU_X86_64
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_ARM 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #elif defined(TARGET_CPU_ARM) && TARGET_CPU_ARM
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_PPC64 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_X86_64 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #else
- /*
- NOTE: If your compiler errors out here then support for your compiler
- has not yet been added to TargetConditionals.h.
- TargetConditionals.h is designed to be plug-and-play. It auto detects
- which compiler is being run and configures the TARGET_ conditionals
- appropriately.
- The short term work around is to set the TARGET_CPU_ and TARGET_OS_
- on the command line to the compiler (e.g. -DTARGET_CPU_MIPS=1 -DTARGET_OS_UNIX=1)
- The long term solution is to add a new case to this file which
- auto detects your compiler and sets up the TARGET_ conditionals.
- Then submit the changes to Apple Computer.
- */
- #error TargetConditionals.h: unknown compiler (see comment above)
- #define TARGET_CPU_PPC 0
- #define TARGET_CPU_68K 0
- #define TARGET_CPU_X86 0
- #define TARGET_CPU_ARM 0
- #define TARGET_CPU_MIPS 0
- #define TARGET_CPU_SPARC 0
- #define TARGET_CPU_ALPHA 0
- #endif
- #define TARGET_OS_MAC 1
- #define TARGET_OS_WIN32 0
- #define TARGET_OS_UNIX 0
- #define TARGET_OS_EMBEDDED 0
- #if TARGET_CPU_PPC || TARGET_CPU_PPC64
- #define TARGET_RT_BIG_ENDIAN 1
- #define TARGET_RT_LITTLE_ENDIAN 0
- #else
- #define TARGET_RT_BIG_ENDIAN 0
- #define TARGET_RT_LITTLE_ENDIAN 1
- #endif
- #if TARGET_CPU_PPC64 || TARGET_CPU_X86_64
- #define TARGET_RT_64_BIT 1
- #else
- #define TARGET_RT_64_BIT 0
- #endif
- #ifdef __MACH__
- #define TARGET_RT_MAC_MACHO 1
- #define TARGET_RT_MAC_CFM 0
- #else
- #define TARGET_RT_MAC_MACHO 0
- #define TARGET_RT_MAC_CFM 1
- #endif
- #endif
- #endif /* __TARGETCONDITIONALS__ */
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